BEIJING—China will launch new security reviews on foreign and domestic technology suppliers starting June 1, implementing a key element of its new cybersecurity law aimed at tightening state control over technology and information. The review will apply to companies that provide network products and services. As such, it will likely include companies such as International…

The Chinese government released draft rules that, if passed, would require foreign companies to “apply for permission to transfer data out of the country.” The rules would allow the government to review any data package over 1TB or with information on more than 500,000 people, and potentially block it from leaving China.